Home / 1,196,727,604.73-1,795,790,918.54-864,406,918.61

Finding the Fourth Proportional to 1,196,727,604.73, 1,795,790,918.54 and 864,406,918.61

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Solution

The fourth proportional to 1,196,727,604.73, 1,795,790,918.54 and 864,406,918.61 is: 1,297,115,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,727,604.73 : 1,795,790,918.54 = 864,406,918.61 : x
  2. Step 2: Convert to fraction form
    1,196,727,604.73/1,795,790,918.54 = 864,406,918.61/x
  3. Step 3: Cross multiply
    1,196,727,604.73x = 1,795,790,918.54 × 864,406,918.61
  4. Step 4: Simplify right side
    1,196,727,604.73x = 1,552,294,094,362,982,912
  5. Step 5: Solve for x
    x = 1,552,294,094,362,982,912/1,196,727,604.73
  6. Step 6: Final answer
    x = 1,297,115,641.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.